package cn.itcast.bos.web.action.base;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;


import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;


import cn.itcast.bos.domain.base.Area;
import cn.itcast.bos.service.base.AreaService;
import cn.itcast.bos.utils.PinYin4jUtils;

@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototye")
public class AreaAction extends BaseAction<Area> {

	// 注入业务层对象
	@Autowired
	private AreaService areaService;

	// 接收上传文件
	private File file;

	public void setFile(File file) {
		this.file = file;
	}
	@Action(value="area_batchImport")
public String batchImport() throws IOException {
	HSSFWorkbook hssfWorkbook = new HSSFWorkbook(new FileInputStream(file));
	HSSFSheet sheetAt = hssfWorkbook.getSheetAt(0);
	List<Area> list = new ArrayList<>();
	for (Row row : sheetAt) {
		if(row.getRowNum()==0) {
			continue;
		}
		if(row.getCell(0)==null||StringUtils.isBlank(row.getCell(0).getStringCellValue())){
			continue;
		}
		Area area = new Area();
		area.setId(row.getCell(0).getStringCellValue());
		area.setProvince(row.getCell(1).getStringCellValue());
		area.setCity(row.getCell(2).getStringCellValue());
		area.setDistrict(row.getCell(3).getStringCellValue());
		area.setPostcode(row.getCell(4).getStringCellValue());
		String province = area.getProvince();
		String city =area.getCity();
		String district = area.getDistrict();
		province = province.substring(0,province.length()-1);
		city = city.substring(0,city.length()-1);
		district = district.substring(0,district.length()-1);
		String[] headArray = PinYin4jUtils.getHeadByString(province+city+district);
		StringBuffer buffer = new StringBuffer();
		for (String string : headArray) {
			buffer.append(string);
		}
		String shortcode= buffer.toString();
		area.setShortcode(shortcode);
		String citycode= PinYin4jUtils.hanziToPinyin(city,"");
		area.setCitycode(citycode);
		list.add(area);
	}
	  areaService.saveBatch(list);
	  return null;
   }
	
	
	@Action(value="area_search",results= {@Result(name="success",type="json")})
	public String search() {
		Pageable pageable = new PageRequest(page-1, rows);
		Specification<Area> specification = new Specification<Area>() {

			@Override
			public Predicate toPredicate(Root<Area> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				// TODO Auto-generated method stub
				List<Predicate> list = new ArrayList<>();
				if(StringUtils.isNotBlank(model.getProvince())) {
					Predicate p1 = cb.like(root.get("province").as(String.class), "%"+model.getProvince()+"%");
					list.add(p1);
				}
				if(StringUtils.isNotBlank(model.getCity())) {
					Predicate p2 = cb.like(root.get("city").as(String.class), "%"+model.getCity()+"%");
				    list.add(p2);
				}
				if(StringUtils.isNotBlank(model.getDistrict())) {
					Predicate p3 = cb.like(root.get("district").as(String.class), "%"+model.getDistrict()+"%");
				    list.add(p3);
				}
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		    Page<Area> page = areaService.search(specification,pageable);
		    getJson(page);
		    return SUCCESS;
	}

}
